1.The ambient temperature is too high: the ventilation conditions of the air compressor should be improved, such as installing air duct exhaust equipment.

2.Three-phase voltage instability: It may be due to power supply problems that require improvements in the power system or the addition of voltage regulators.

3.Overload protector failure: Replace the overload protector of the air compressor.

4.Poor contact of starter contact: Maintain the contact of the air compressor starter.

5.Blockage of the oil-air separator: When the pressure difference is greater than 0.8-1kg, the oil-air separator should be replaced.

6.Motor bearings are not lubricated or damaged: Grease the motor bearings or replace the motor bearings.

7.Poor motor insulation: Remove the motor for insulation reinforcement.

8.Motor wiring is loose: Re-lock the motor wiring.

9.Blocked air inlet: Clean and maintain the air inlet of the air compressor.

10.Air filter blockage: Replace the air filter.

11.Discharge pressure is too high: Check the discharge pressure setting value to ensure that the rated pressure is not exceeded.

12.Inaccurate lubricant specifications: Replace the recommended brand of lubricant and use a product with better lubricating properties.

13.Electrical wiring problems: Check the electrical wiring to ensure that the contact is good and there is no short circuit.

14.Unstable supply voltage: Make sure the supply voltage is stable, and use a voltage regulator if necessary.

15.Motor overload: reduce the load on the motor and avoid overload operation.

Through the above measures, the problem of excessive current of the air compressor can be effectively solved, and the equipment can be protected and its normal operation can be ensured.